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公开(公告)号:US2037668A
公开(公告)日:1936-04-14
申请号:US3634035
申请日:1935-08-15
Applicant: REGINA CORP
Inventor: SMITH BERNARD P , LOCKWOOD ARLIE F
IPC: A47L9/26
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公开(公告)号:US1904551A
公开(公告)日:1933-04-18
申请号:US54938931
申请日:1931-07-08
Applicant: REGINA CORP
Inventor: SMITH BERNARD P
IPC: G03D7/00
CPC classification number: G03D7/00
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公开(公告)号:US2132007A
公开(公告)日:1938-10-04
申请号:US1851735
申请日:1935-04-27
Applicant: REGINA CORP
Inventor: SMITH BERNARD P
CPC classification number: A47L9/2857 , A47L5/32 , A47L9/30
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公开(公告)号:US1783859A
公开(公告)日:1930-12-02
申请号:US33373629
申请日:1929-01-19
Applicant: REGINA CORP
Inventor: SMITH BERNARD P
IPC: A47L7/04
CPC classification number: A47L7/04
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